No problem, we've got 3521 and 5325 to multiply
3521 × 5325 = 5325 × (3521)
+ 5325 × 1 resulting in 5325
+ 5325 × 20 giving us 106500
+ 5325 × 500 that equals 2662500
+ 5325 × 3000 which equals 15975000

= 18749325
